CN211507278U

CN211507278U - Three-phase dry-type transformer that security performance is strong

Info

Publication number: CN211507278U
Application number: CN202020439595.1U
Authority: CN
Inventors: 林登峰
Original assignee: Quanzhou Shiling Electric Technology Co ltd
Current assignee: Quanzhou Shiling Electric Technology Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-09-15
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a three-phase dry-type transformer with strong safety performance, which comprises a three-phase dry-type transformer, wherein a shell is sleeved outside the three-phase dry-type transformer, and a damping mechanism is arranged at the bottom of the three-phase dry-type transformer; the upper portion of first bottom plate is equipped with the second bottom plate, second bottom plate and three-phase dry-type transformer's bottom looks rigid coupling, the upper surface rigid coupling of first bottom plate has a plurality of sleeves, and is a plurality of the sleeve pipe all cup joints with the slide bar is slided, and is a plurality of the top of slide bar all with the lower surface looks rigid coupling of second bottom plate, the lower surface of first bottom plate and the inner wall bottom looks rigid coupling of shell, the top and the top cap of shell cover mutually and close. This three-phase dry-type transformer that security performance is strong can effectively protect three-phase dry-type transformer, avoids meeting accident to improve the security, heat dissipation mechanism and drying mechanism, thereby realize reducing operating temperature, and can state of affairs steam overlook three-phase dry-type transformer, thereby increase of service life.

Description

Three-phase dry-type transformer that security performance is strong

Technical Field

The utility model relates to a three-phase dry-type transformer technical field specifically is a three-phase dry-type transformer that security performance is strong.

Background

Three-phase dry-type transformers are the main components of various power supplies and electrical equipment. The device changes an alternating voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core (magnetic core). In electrical equipment and wireless circuits, the high-voltage power supply is commonly used for voltage lifting, impedance matching, safety isolation and the like. In a generator, an electric potential is induced in a coil, whether the coil is moved through a magnetic field or the magnetic field is moved through a stationary coil, in both cases the value of the flux is constant, but the amount of flux linked to the coil varies, which is the principle of mutual induction. A transformer is a device for transforming voltage, current and impedance by using mutual electromagnetic induction. The conventional three-phase dry-type transformer is often directly installed in a power distribution cabinet or is directly exposed outside without taking protective measures, so that the safety is low and danger is easy to occur.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three-phase dry-type transformer that security performance is strong to solve the current three-phase dry-type transformer that proposes in the above-mentioned background art and often directly install in the switch board, or do not take protective measures and directly expose outside, lead to the security lower, easily take place dangerous problem.

In order to achieve the above object, the utility model provides a following technical scheme: a three-phase dry-type transformer with strong safety performance comprises a three-phase dry-type transformer, wherein a shell is sleeved outside the three-phase dry-type transformer, and a damping mechanism is arranged at the bottom of the three-phase dry-type transformer;

the damping mechanism comprises a first bottom plate, a second bottom plate, an elastic block, a sleeve and a sliding rod;

the top of first bottom plate is equipped with the second bottom plate, the bottom looks rigid coupling of second bottom plate and three-phase dry-type transformer, even rigid coupling has a plurality of elastic blocks between first bottom plate and the second bottom plate, the upper surface rigid coupling of first bottom plate has a plurality of sleeve pipes, and is a plurality of the sleeve pipe all cup joints with the slide bar slip, and is a plurality of the top of slide bar all with the lower surface looks rigid coupling of second bottom plate, the lower surface of first bottom plate and the inner wall bottom looks rigid coupling of shell, the top and the top cap of shell are covered mutually and are closed.

Preferably, the heat dissipation mechanisms are mounted at the left lower corner and the right lower corner of the shell;

the heat dissipation mechanism comprises a first casing, a direct current motor and fan blades;

the middle position of the first casing is fixedly connected with a direct current motor, an output shaft of the direct current motor is fixedly connected with fan blades, the fan blades are movably connected with the outer wall of the direct current motor through bearings, the first casing is fixedly connected with an outer shell, and a third filter screen is arranged on the outer shell corresponding to the first casing.

Preferably, the top of the left side and the top of the right side of the shell are both provided with air inlets, and the positions of the air inlets are provided with dustproof mechanisms;

the dustproof mechanism comprises a second casing and sponge;

the inner wall rigid coupling of second cover shell has the sponge, the second cover shell cup joints with the shell mutually through the air intake.

Preferably, the drying mechanisms are symmetrically arranged on the left and right of the top of the shell;

the drying mechanism comprises a third casing, a first filter screen, a second filter screen, a baffle and a chock block;

the third cover shell is sleeved with the shell, a first filter screen is installed at the bottom of the third cover shell, a second filter screen is installed on one side of the third cover shell, the upper surface of the third cover shell is attached to the baffle, the lower surface of the baffle is fixedly connected with the plug block, the plug block is sleeved with the top of the third cover shell, and the third cover shell is filled with a drying agent.

Preferably, the left side and the right side of the shell are fixedly connected with a plurality of radiating fins.

Preferably, the lower surface of the shell is fixedly connected with a plurality of rubber pads.

Compared with the prior art, the beneficial effects of the utility model are that: this three-phase dry-type transformer that security performance is strong can effectively protect three-phase dry-type transformer, avoids meeting accident to improve the security, heat dissipation mechanism and drying mechanism, thereby realize reducing operating temperature, and can state of affairs steam overlook three-phase dry-type transformer, thereby increase of service life, specifically as follows:

the purpose of shock absorption is achieved through the matching of the first bottom plate, the second bottom plate, the elastic block, the sleeve and the sliding rod, so that the influence of shock on the three-phase dry-type transformer is avoided, and the heat dissipation in the shell is achieved through the matching of the first casing, the direct-current motor and the fan blades;

through the cooperation of second cover shell and sponge, realize filtering the air that gets into in the shell, through the cooperation of drier, third cover shell, first filter screen, second filter screen, baffle and chock, realize carrying out the drying to the air in the shell to the influence of surface steam.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the heat dissipation mechanism of FIG. 1;

FIG. 3 is a schematic view of the baffle and the chock of FIG. 1;

fig. 4 is a schematic view of the second casing and sponge structure of fig. 3.

In the figure: 1. three-phase dry-type transformer, 2, damper, 201, first bottom plate, 202, second bottom plate, 203, elastic block, 204, sleeve pipe, 205, slide bar, 3, heat dissipation mechanism, 301, first cover shell, 302, direct current motor, 303, flabellum, 4, dustproof mechanism, 401, second cover shell, 402, sponge, 5, drying mechanism, 501, third cover shell, 502, first filter screen, 503, second filter screen, 504, baffle, 505, chock, 6, shell, 7, third filter screen, 8, air inlet, 9, desiccant, 10, fin, 11, rubber pad, 12, top cap.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a three-phase dry-type transformer with strong safety performance comprises a three-phase dry-type transformer 1, wherein a shell 6 is sleeved outside the three-phase dry-type transformer 1, and a damping mechanism 2 is installed at the bottom of the three-phase dry-type transformer 1; the shock absorption mechanism 2 comprises a first bottom plate 201, a second bottom plate 202, an elastic block 203, a sleeve 204 and a slide bar 205; the top of first bottom plate 201 is equipped with second bottom plate 202, second bottom plate 202 and the bottom looks rigid coupling of three-phase dry-type transformer 1, even rigid coupling has a plurality of elastic blocks 203 between first bottom plate 201 and the second bottom plate 202, the upper surface rigid coupling of first bottom plate 201 has a plurality of sleeve pipes 204, a plurality of sleeve pipes 204 all cup joint with slide bar 205 slip, the top of a plurality of slide bars 205 all with the lower surface looks rigid coupling of second bottom plate 202, the lower surface of first bottom plate 201 and the inner wall bottom looks rigid coupling of shell 6, the top of shell 6 covers with top cap 12 mutually. The elastic block 203 is made of rubber. The gap between the sleeve 204 and the sliding rod 205 is 0.25 mm-0.3 mm.

The heat dissipation mechanisms 3 are mounted at the left lower corner and the right lower corner of the shell 6; the heat dissipation mechanism 3 comprises a first casing 301, a direct current motor 302 and fan blades 303; the middle position of the first casing 301 is fixedly connected with the direct current motor 302, the output shaft of the direct current motor 302 is fixedly connected with the fan blade 303, the fan blade 303 is movably connected with the outer wall of the direct current motor 302 through a bearing, the first casing 301 is fixedly connected with the outer casing 6, and the outer casing 6 is provided with a third filter screen 7 corresponding to the position of the first casing 301. Air inlets 8 are formed in the top of the left side and the top of the right side of the shell 6, and the dustproof mechanisms 4 are installed at the positions of the air inlets 8; the dust-proof mechanism 4 includes a second jacket 401 and a sponge 402; the inner wall of the second jacket 401 is fixedly connected with a sponge 402, and the second jacket 401 is sleeved with the outer shell 6 through an air inlet 8. The dc motor 302 is a 36A dc motor, and is specifically selected according to the processing cost, so as to meet the working requirements.

The drying mechanisms 5 are symmetrically arranged on the left and right of the top of the shell 6; the drying mechanism 5 comprises a third jacket 501, a first screen 502, a second screen 503, a baffle 504 and a chock 505; the third casing 501 is sleeved with the outer shell 6, a first filter screen 502 is installed at the bottom of the third casing 501, a second filter screen 503 is installed on one side of the third casing 501, the upper surface of the third casing 501 is attached to the baffle 504, the lower surface of the baffle 504 is fixedly connected with the plug 505, the plug 505 is sleeved with the top of the third casing 501, and the third casing 501 is filled with a drying agent 9. The left and right sides of the housing 6 are fixedly connected with a plurality of radiating fins 10. The lower surface of the shell 6 is fixedly connected with a plurality of rubber pads 11. The desiccant 9 is a granular desiccant, so that it is easy to replace. The same aperture sizes of the first filter screen 502, the second filter screen 503 and the third filter screen 7 are all 0.2 mm-0.3 mm.

When the three-phase dry-type transformer 1 works, the heat dissipation mechanism 3 starts to work, the output shaft of the dc motor 302 drives the fan blades 303 to rotate, so that air in the housing 6 is output through the third filter screen 7, the air pressure in the housing 6 is reduced, and outside air enters the third casing 501 through the sponge 402 of the air inlet 8, is dried under the action of the drying agent in the third casing 501 and enters the housing 6 through the second filter screen 503, so that air flow is generated, heat dissipation of the three-phase dry-type transformer 1 is realized, when the drying agent 9 needs to be replaced, the third casing 501 is pulled, the integral drying mechanism 5 is detached from the housing 6, the baffle 504 is pulled, the plug 505 is detached from the third casing 501, the drying agent 9 is poured out and replaced, and the plug 505, the baffle 504 and the third casing 501 are reset.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A three-phase dry-type transformer that security performance is strong, includes three-phase dry-type transformer (1), its characterized in that: a shell (6) is sleeved outside the three-phase dry-type transformer (1), and a damping mechanism (2) is installed at the bottom of the three-phase dry-type transformer (1);

the damping mechanism (2) comprises a first bottom plate (201), a second bottom plate (202), an elastic block (203), a sleeve (204) and a sliding rod (205);

the top of first bottom plate (201) is equipped with second bottom plate (202), second bottom plate (202) and the bottom rigid coupling of three-phase dry-type transformer (1), even rigid coupling has a plurality of elastic blocks (203) between first bottom plate (201) and second bottom plate (202), the upper surface rigid coupling of first bottom plate (201) has a plurality of sleeve pipes (204), and is a plurality of sleeve pipe (204) all cup joint with slide bar (205) slip, and is a plurality of the top of slide bar (205) all with the lower surface looks rigid coupling of second bottom plate (202), the lower surface of first bottom plate (201) and the inner wall bottom looks rigid coupling of shell (6), the top and top cap (12) of shell (6) are covered mutually.

2. A three-phase dry transformer according to claim 1, wherein: the heat dissipation mechanisms (3) are mounted at the left lower corner and the right lower corner of the shell (6);

the heat dissipation mechanism (3) comprises a first casing (301), a direct current motor (302) and fan blades (303);

the intermediate position of first cover shell (301) and direct current motor (302) looks rigid coupling, the output shaft and flabellum (303) looks rigid coupling of direct current motor (302), flabellum (303) link to each other through the outer wall activity of bearing and direct current motor (302), first cover shell (301) and shell (6) looks rigid coupling, third filter screen (7) are installed to shell (6) corresponding first cover shell (301) position.

3. A three-phase dry transformer according to claim 1, wherein: air inlets (8) are formed in the top of the left side and the top of the right side of the shell (6), and a dustproof mechanism (4) is installed at the positions of the air inlets (8);

the dustproof mechanism (4) comprises a second sleeve (401) and a sponge (402);

the inner wall rigid coupling of second cover shell (401) has sponge (402), cup joint through air intake (8) and shell (6) of second cover shell (401).

4. A three-phase dry transformer according to claim 1, wherein: the top of the shell (6) is provided with a drying mechanism (5) in bilateral symmetry;

the drying mechanism (5) comprises a third casing (501), a first sieve (502), a second sieve (503), a baffle (504) and a chock (505);

third cover shell (501) cup joints with shell (6) mutually, first filter screen (502) are installed to the bottom of third cover shell (501), second filter screen (503) are installed to one side of third cover shell (501), the upper surface and baffle (504) of third cover shell (501) laminate mutually, the lower surface and the chock (505) of baffle (504) are the looks rigid coupling, chock (505) cup joint with the top of third cover shell (501) mutually, third cover shell (501) intussuseption is filled with drier (9).

5. A three-phase dry transformer according to claim 1, wherein: the left side and the right side of the shell (6) are fixedly connected with a plurality of radiating fins (10).

6. A three-phase dry transformer according to claim 1, wherein: the lower surface of the shell (6) is fixedly connected with a plurality of rubber pads (11).